CONSTRUCTION ELECTRICAL INSTALLATION AND EQUIPMENT 55
6 Protected against powerful water jets Water projected powerful jets
against the enclosure from any
direction shall have harmful effects
7 Protected against the effects of
temporary immersion water
Ingress water quantities causing
harmful effects shall not possible
when the enclosure temporarily
immersed water under standardized
conditions pressure and time
8 Protected against the effects of
continuous immersion water
Ingress water quantities causing
harmful effects shall not possible
when the enclosure continuously
immersed water under conditions
which shall agreed between
manufacturer and user but which are
more severe than for numeral 7
An enclosure designated with second characteristic numeral only considered
unsuitable for exposure water jets (designated second characteristic numeral and
need not comply with requirements for numeral unless dual coded follows:
Table 6.1.
Enclosures for "restricted" application indicated the last column are considered suitable
only for temporary continuous immersion and unsuitable for exposure water jets.5
Enclosure passes test for Designation and
marking
Range of
application
water jets
second
characteristic numeral
temporary/continuous
second
characteristic numeral
5 IPX5/IPX7 Versatile
6 IPX6/IPX7 Versatile
5 IPX5/IPX7 Versatile
6 IPX6/IPX8 Versatile
- IPX7 Restricted
- IPX8 Restricted
Enclosures for "versatile" application indicated the last column shall meet requirements
for exposure both water jets and temporary continuous immersion.
